Exhibit 4.1



016570|   003590|127C|RESTRICTED||4|057-423 . COMMON STOCK PAR VALUE $0.001 COMMON   STOCK THIS CERTIFICATE IS TRANSFERABLE IN CANTON, MA AND NEW YORK, NY Shares   * * 000000 * * * * * * * * * 000000 * * * * * * * * * 000000 * * * * * * * *   * 000000* * * * * * * * * 000000* * Certificate Number ZQ 000000 INTERLINK   ELECTRONICS INC INCORPORATED UNDER THE LAWS OF THE STATE OF NEVADA ** Mr.   Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander   David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample   **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr.   Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander   David THIS CERTIFIES THAT MR. SAMPLE & MRS. SAMPLE & Sample **** Mr.   Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander   David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample   **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr.   Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander   David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample   **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr.   Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander   David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample   **** Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr.   Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander   David David Sample ***M* Mr. ARlexand.er DSavid SAampleM**** MPr. AlexLandeEr   David &Sample M**** Mr.RAlexaSnder D.avidSampAle ****MMr. AlPexandLer   DaEvid Sample **** Mr. Sample **** Mr. Alexander David Sample **** Mr.   Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander David   Sample **** Mr. Alexander SEE REVERSE FOR CERTAIN DEFINITIONS Alexander David   Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample ****   Mr. Alexander David Sample **** Mr. Alexander David Sample **** Mr. Alexander   David Sample **** Mr. Alexander David Sample **** Mr. Alexander David Sample   **** Mr. Alexander David Sample **** Mr. Sample **** Mr. Sample is the owner   of   **000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares***   *000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****   00000*0***Sha*res*Z***000E000**SRhares*O***000000H**ShareUs****00N0000**DSharesR****000E000**SDhares****0T00000H**SharOes****00U0000**ShareAs****00N0000**DShares****0   00000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****00   0000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000   000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****0000   **ShareZs****0E00000*R*ShareOs****00000H0**ShaUres****0N00000D**ShareRs****00E0000**DShares***A*0000N00**ShaDres****00Z0000**EShareRs****00O0000**S*hare*s****000000*   00**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****00000   0**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000   *Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**   Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**Shares****000000**S   FULLY-PAID AND NON-ASSESSABLE SHARES OF THE COMMON STOCK OF INTERLINK   ELECTRONICS INC (hereinafter called the “Company”), transferable on the books   of the Company in person or by duly authorized attorney, upon surrender of   this Certificate properly endorsed. This Certificate and the shares   represented hereby, are issued and shall be held subject to all of the   provisions of the Articles of Incorporation, as amended, and the By-Laws, as   amended, of the Company (copies of which are on file with the Company and   with the Transfer Agent), to all of which each holder, by acceptance hereof,   assents. This Certificate is not valid unless countersigned and registered by   the Transfer Agent and Registrar. Witness the facsimile seal of the Company   and the facsimile signatures of its duly authorized officers. DATED   <<Month Day, Year>> COUNTERSIGNED AND REGISTERED: COMPUTERSHARE   TRUST COMPANY, N.A. TRANSFER AGENT AND REGISTRAR, CEO and Chairman By   Secretary AUTHORIZED SIGNATURE CUSIP Holder ID Insurance Value Number of   Shares DTC Certificate Numbers 1234567890/1234567890 1234567890/1234567890   1234567890/1234567890 1234567890/1234567890 1234567890/1234567890   1234567890/1234567890 Total Transaction XXXXXX XX X XXXXXXXXXX 1,000,000.00   123456 12345678 123456789012345 PO BOX 43004, Providence, RI 02940-3004   Num/No. Denom. Total 1 2 3 4 5 6 7 1 2 3 4 5 6 1 2 3 4 5 6 MR A SAMPLE   DESIGNATION (IF ANY) ADD 1 ADD 2 ADD 3 ADD 4 CUSIP 458751 30 2 


    




 










. INTERLINK   ELECTRONICS INC THE COMPANY WILL FURNISH WITHOUT CHARGE TO EACH SHAREHOLDER   WHO SO REQUESTS, A SUMMARY OF THE POWERS, DESIGNATIONS, PREFERENCES AND   RELATIVE, PARTICIPATING, OPTIONAL OR OTHER SPECIAL RIGHTS OF EACH CLASS OF   STOCK OF THE COMPANY AND THE QUALIFICATIONS, LIMITATIONS OR RESTRICTIONS OF   SUCH PREFERENCES AND RIGHTS, AND THE VARIATIONS IN RIGHTS, PREFERENCES AND   LIMITATIONS DETERMINED FOR EACH SERIES, WHICH ARE FIXED BY THE ARTICLES OF   INCORPORATION OF THE COMPANY, AS AMENDED, AND THE RESOLUTIONS OF THE BOARD OF   DIRECTORS OF THE COMPANY, AND THE AUTHORITY OF THE BOARD OF DIRECTORS TO   DETERMINE VARIATIONS FOR FUTURE SERIES. SUCH REQUEST MAY BE MADE TO THE   OFFICE OF THE SECRETARY OF THE COMPANY OR TO THE TRANSFER AGENT. THE BOARD OF   DIRECTORS MAY REQUIRE THE OWNER OF A LOST OR DESTROYED STOCK CERTIFICATE, OR   HIS LEGAL REPRESENTATIVES, TO GIVE THE COMPANY A BOND TO INDEMNIFY IT AND ITS   TRANSFER AGENTS AND REGISTRARS AGAINST ANY CLAIM THAT MAY BE MADE AGAINST   THEM ON ACCOUNT OF THE ALLEGED LOSS OR DESTRUCTION OF ANY SUCH CERTIFICATE.   (Cust) (Minor) (State) (Cust) and not as tenants in common (Minor) (State)   PLEASE INSERT SOCIAL SECURITY OR OTHER IDENTIFYING NUMBER OF ASSIGNEE For   value received, hereby sell, assign and transfer unto (PLEASE PRINT OR   TYPEWRITE NAME AND ADDRESS, INCLUDING POSTAL ZIP CODE, OF ASSIGNEE) Shares of   the capital stock represented by the within Certificate, and do hereby   irrevocably constitute and appoint Attorney to transfer the said stock on the   books of the within-named Company with full power of substitution in the   premises. Dated: 20 Signature: Signature: Notice: The signature to this   assignment must correspond with the name as written upon the face of the   certificate, in every particular, without alteration or enlargement, or any   change whatever. Signature(s) Guaranteed: Medallion Guarantee Stamp THE   SIGNATURE(S) SHOULD BE GUARANTEED BY AN ELIGIBLE GUARANTOR INSTITUTION   (Banks, Stockbrokers, Savings and Loan Associations and Credit Unions) WITH   MEMBERSHIP IN AN APPROVED SIGNATURE GUARANTEE MEDALLION PROGRAM, PURSUANT TO   S.E.C. RULE 17Ad-15. The following abbreviations, when used in the   inscription on the face of this certificate, shall be construed as though   they were written out in full according to applicable laws or regulations:   TEN COM - as tenants in common UNIF GIFT MIN ACT - ............................................Custodian   ................................................ TEN ENT - as tenants by the   entireties under Uniform Gifts to Minors   Act......................................................... JT TEN - as   joint tenants with right of survivorship UNIF TRF MIN ACT -   ............................................Custodian (until age   ................................) .............................under Uniform   Transfers to Minors Act ................... Additional abbreviations may also   be used though not in the above list.